# Can anyone answer or give ideas to solving either question? a) If n people go to place X and wait for 30 min each, in the span of 24 hours (one day – from midnight to midnight), what’s the...

Can anyone answer or give ideas to solving either question?

a) If n people go to place X and wait for 30 min each, in the span of 24 hours (one day – from midnight to midnight), what’s the probability that any two shall meet?

b) If n people go to place X and wait for 30 min each, in the span of 24 hours (one day – from midnight to midnight), what’s the probability that n shall meet each other?